<script setup>
import { Edit, Delete } from "@element-plus/icons-vue";
import { onMounted, ref, onUnmounted } from "vue";
import {
    articleCategoryService,
    getArticleService,
    addArticleService,
    deleteArticleService,
    getArticleByIdService,
    updateArticleService,
} from "../../api/article";
import { useTokenStore } from "../../stores/token";
import { ElMessage, ElMessageBox } from "element-plus";
import { Plus } from "@element-plus/icons-vue";
import { QuillEditor } from "@vueup/vue-quill";
import "@vueup/vue-quill/dist/vue-quill.snow.css";

//文章分类数据模型
const categorys = ref([]);
//用户搜索时选中的分类id
const categoryId = ref("");

//用户搜索时选中的发布状态
const state = ref("");

//文章列表数据模型
const articles = ref([]);

//分页条数据模型
const pageNum = ref(1); //当前页
const pageSize = ref(10); //每页条数
const total = ref(20); //总条数
//控制抽屉是否显示
const visibleDrawer = ref(false);
//添加表单数据模型
const articleModel = ref({
    title: "",
    categoryId: "",
    coverImg: "",
    content: "",
    state: "",
});
// token的存储处
const tokenStore = useTokenStore();
// 编辑表单是否弹出
const editFormVisible = ref(false);

// 编辑文章按钮绑定数据模型
const editArticleForm = ref({
    id: "",
    title: "",
    categoryId: "",
    state: "",
    content: "",
    coverImg: "",
});

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
    pageSize.value = size;
    getArticles();
};
//当前页发生变化，调用此函数
const onCurrentChange = (num) => {
    pageNum.value = num;
    getArticles();
};

// 显示分类信息
const showCategory = async () => {
    let res = await articleCategoryService();
    categorys.value = res.data;
};

// 获取文章列表信息
const getArticles = async () => {
    let pageData = {
        pageNum: pageNum.value,
        pageSize: pageSize.value,
        categoryId: categoryId.value ? categoryId.value : null,
        state: state.value ? state.value : null,
    };
    let res = await getArticleService(pageData);
    let data = res.data;

    articles.value = data.items;
    // articles.value.categoryId = '已发布'?data.records.categoryId === 1:'草稿'
    pageNum.value = data.current;
    pageSize.value = data.size;
    total.value = data.total;
    for (let i = 0; i < articles.value.length; i++) {
        let article = articles.value[i];
        for (let j = 0; j < categorys.value.length; j++) {
            if (article.categoryId == categorys.value[j].id) {
                article.categoryName = categorys.value[j].categoryName;
            }
        }
    }
};
// 重设下拉框分类信息
const resetCategory = () => {
    categoryId.value = "";
    state.value = "";
    getArticles();
};

// 文章时间信息格式化
const formatDate = (row, column) => {
    // 获取单元格数据
    let data = row[column.property];
    if (data == null) {
        return null;
    }
    let dt = new Date(data);
    //   return new Intl.DateTimeFormat()
    return (
        dt.getFullYear() +
        "-" +
        (dt.getMonth() + 1) +
        "-" +
        dt.getDate() +
        " " +
        dt.getHours() +
        ":" +
        dt.getMinutes() +
        ":" +
        dt.getSeconds()
    );
};
// 编辑文章

const uploadSuccess = (res) => {
    articleModel.value.coverImg = res.data;
    console.log(res.data);
};
// 发布草稿或已发布
const publish = async (type) => {
    articleModel.value.state = type;
    let res = await addArticleService(articleModel.value);

    ElMessage.success(res.message ? res.message : "上传成功，主人");
    visibleDrawer.value = false;
    getArticles();
};

// 点击显示文章编辑弹框并赋值编辑数据模型
const showEditBox = (row) => {
    editFormVisible.value = true;
    editArticleForm.value.id = row.id;
    editArticleForm.value.title = row.title;
    editArticleForm.value.categoryId = row.categoryId;

    editArticleForm.value.state = row.state;
    editArticleForm.value.content = row.content;
    editArticleForm.value.coverImg = row.coverImg;
    console.log(row);
};

// 编辑弹框
const editArticle = async () => {
    let res = await updateArticleService(editArticleForm.value);
    ElMessage.success(res.message ? res.message : "主人，已经修改成功了");
    editFormVisible.value = false;
    getArticles();
};

const showDeleteBox = (row) => {
    ElMessageBox.confirm("主人，您确定要删除吗", "音音尧尧的提醒", {
        confirmButtonText: "是的",
        cancelButtonText: "不要",
        type: "warning",
    })
        .then(() => {
            deleteArticleService(row.id);
            getArticles();
            ElMessage({
                type: "success",
                message: "删除成功了哟，我的主人",
            });
        })
        .catch(() => {
            ElMessage({
                type: "info",
                message: "删除取消了，主人",
            });
        });
};
// 刷新时加载
onMounted(() => {
    showCategory();
    getArticles();
});
</script>
<template>
    <!-- 编辑弹窗 -->
    <el-dialog v-model="editFormVisible" title="主人，请开始编辑吧">
        <el-form :model="editArticleForm" label-width="70">
            <el-form-item label="标题">
                <el-input v-model="editArticleForm.title" autocomplete="off" />
            </el-form-item>
            <el-form-item label="分类">
                <el-select
                    v-model="editArticleForm.categoryId"
                    placeholder="请选择一个类别吧"
                >
                    <el-option label="三体" value="1" />
                    <el-option label="科幻" value="2" />
                </el-select>
            </el-form-item>
            <el-form-item label="状态">
                <el-select
                    v-model="editArticleForm.state"
                    placeholder="请选择一个类别吧"
                >
                    <el-option label="草稿" value="草稿" />
                    <el-option label="已发布" value="已发布" />
                </el-select>
            </el-form-item>
            <el-form-item label="文章内容">
                <div class="editor">
                    <quill-editor
                        theme="snow"
                        v-model:content="editArticleForm.content"
                        contentType="html"
                    >
                    </quill-editor>
                </div>
            </el-form-item>
        </el-form>

        <template #footer>
            <span class="dialog-footer">
                <el-button
                    @click="
                        (editFormVisible = false),
                            ElMessage({ message: '编辑已取消，主人' })
                    "
                    >取消</el-button
                >
                <el-button type="primary" @click="editArticle">
                    确认
                </el-button>
            </span>
        </template>
    </el-dialog>

    <el-card class="page-container">
        <!-- 卡牌标题 -->
        <template #header>
            <div class="header">
                <span>文章管理</span>
                <div class="extra">
                    <el-button type="primary" @click="visibleDrawer = true"
                        >添加文章</el-button
                    >
                </div>
            </div>
        </template>

        <!-- 搜索表单 -->
        <el-form inline>
            <el-form-item label="文章分类：">
                <el-select placeholder="请选择" v-model="categoryId">
                    <el-option
                        v-for="c in categorys"
                        :key="c.id"
                        :label="c.categoryName"
                        :value="c.id"
                    >
                    </el-option>
                </el-select>
            </el-form-item>

            <el-form-item label="发布状态：">
                <el-select placeholder="请选择" v-model="state">
                    <el-option label="已发布" value="已发布"></el-option>
                    <el-option label="草稿" value="草稿"></el-option>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="getArticles()"
                    >搜索</el-button
                >
                <el-button @click="resetCategory()">重置</el-button>
            </el-form-item>
        </el-form>

        <!-- 文章列表 -->
        <el-table :data="articles" style="width: 100%">
            <el-table-column label="序号" width="100" type="index">
            </el-table-column>
            <el-table-column
                label="文章标题"
                width="300"
                prop="title"
            ></el-table-column>
            <el-table-column label="分类" prop="categoryName"></el-table-column>
            <el-table-column
                label="发表时间"
                prop="createTime"
                :formatter="formatDate"
            >
            </el-table-column>
            <el-table-column label="状态" prop="state"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button
                        :icon="Edit"
                        circle
                        plain
                        type="primary"
                        @click="showEditBox(row)"
                    ></el-button>
                    <el-button
                        :icon="Delete"
                        circle
                        plain
                        type="danger"
                        @click="showDeleteBox(row)"
                    ></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description=" 没有数据" />
            </template>
        </el-table>
        <!-- 分页条 -->
        <el-pagination
            v-model:current-page="pageNum"
            v-model:page-size="pageSize"
            :page-sizes="[3, 5, 10, 15]"
            layout="jumper, total, sizes, prev, pager, next"
            background
            :total="total"
            @size-change="onSizeChange"
            @current-change="onCurrentChange"
            style="margin-top: 20px; justify-content: flex-end"
        />
    </el-card>

    <!-- 文章发布或草稿抽屉 -->
    <el-drawer
        v-model="visibleDrawer"
        title="添加文章"
        direction="rtl"
        size="40%"
    >
        <!-- 添加文章表单 -->
        <el-form :model="articleModel" label-width="100px">
            <el-form-item label="文章标题">
                <el-input
                    v-model="articleModel.title"
                    placeholder="请输入标题"
                ></el-input>
            </el-form-item>
            <el-form-item label="文章分类">
                <el-select
                    placeholder="请选择"
                    v-model="articleModel.categoryId"
                >
                    <el-option
                        v-for="c in categorys"
                        :key="c.id"
                        :label="c.categoryName"
                        :value="c.id"
                    >
                    </el-option>
                </el-select>
            </el-form-item>
            <el-form-item label="文章封面">
                <el-upload
                    class="avatar-uploader"
                    :auto-upload="true"
                    :show-file-list="false"
                    action="/api/upload"
                    name="image"
                    :headers="{ token: tokenStore.token }"
                    :on-success="uploadSuccess"
                >
                    <img
                        v-if="articleModel.coverImg"
                        :src="articleModel.coverImg"
                        class="avatar"
                    />
                    <el-icon v-else class="avatar-uploader-icon">
                        <Plus />
                    </el-icon>
                </el-upload>
            </el-form-item>
            <el-form-item label="文章内容">
                <div class="editor">
                    <quill-editor
                        theme="snow"
                        v-model:content="articleModel.content"
                        contentType="html"
                    >
                    </quill-editor>
                </div>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="publish('已发布')"
                    >发布</el-button
                >
                <el-button type="info" @click="publish('草稿')">草稿</el-button>
            </el-form-item>
        </el-form>
    </el-drawer>
    
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}
.editor {
    width: 100%;
    :deep(.ql-editor) {
        min-height: 200px;
    }
}
</style>
